Jones, Edwin
Digital transmission - London : McGraw-Hill, 1993 - 321
DIGITAL COMMUNICATIONS
INTERGRATED SERVICES DIGITAL NETWORKS--EQUIPMENT AND SUPPLIES
TK5103.7 / J66D
Digital transmission - London : McGraw-Hill, 1993 - 321
DIGITAL COMMUNICATIONS
INTERGRATED SERVICES DIGITAL NETWORKS--EQUIPMENT AND SUPPLIES
TK5103.7 / J66D